package com.itcast.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.reactive.CorsWebFilter;
import org.springframework.web.cors.reactive.UrlBasedCorsConfigurationSource;
import org.springframework.web.util.pattern.PathPatternParser;

@Configuration
public class CorsConfig {
    @Bean
    public CorsWebFilter corsWebFilter() {
        CorsConfiguration config = new CorsConfiguration();
        // 允许所有域名进行跨域调用（使用 allowedOriginPatterns 支持通配符和凭证）
        config.addAllowedOriginPattern("*");
        // 允许跨越发送cookie
        config.setAllowCredentials(true);
        // 放行全部原始头信息
        config.addAllowedHeader("*");
        // 允许所有请求方法跨域调用
        config.addAllowedMethod("*");

        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource(new PathPatternParser());
        source.registerCorsConfiguration("/**", config);

        return new CorsWebFilter(source);
    }
}
